Simple seismology should have noticed it a century ago.
Eternals: How Powerful Are Celestials in the MCU?
Eternals' Ending Made One Unanswered MCU Mystery More Terrifying
Eternals (comics) - Wikipedia
Eternals' Massive Celestial Plot Hole Finally Addressed By Marvel
Marvel Legends Fan First Monday: Retro Rhino and Infinity Ultron headline February's reveals • AIPT
is Ego REALLY a Celestial? i mean, he looks very different from all the other ones in the Eternals movie : r/marvelstudios
Marvel's 'Eternals': 30 Easter Eggs and References You Might Have Missed (Plus Those End Credits Scenes)
Eternals CELESTIAL CORPSE: Can MCU Earth Survive It?
Marvel Legends Fan First Monday: Retro Rhino and Infinity Ultron headline February's reveals • AIPT
Preview of Marvel's Eternals: Celestia #1